diff --git a/src/filesystem/implementation.js b/src/filesystem/implementation.js
index 1ec08ea..d192cb4 100644
--- a/src/filesystem/implementation.js
+++ b/src/filesystem/implementation.js
@@ -533,7 +533,10 @@ function remove_directory(context, path, callback) {
   find_node(context, parentPath, read_parent_directory_data);
 }
 
-function open_file(context, path, flags, callback) {
+function open_file(context, path, flags, mode, callback) {
+  if (typeof mode == 'function'){
+    callback = mode;
+  }
   path = normalize(path);
   var name = basename(path);
   var parentPath = dirname(path);
@@ -645,6 +648,7 @@ function open_file(context, path, flags, callback) {
       }
       fileNode = result;
       fileNode.nlinks += 1;
+      if(mode){Node.setMode(mode, fileNode);}
       context.putObject(fileNode.id, fileNode, write_file_data);
     });
   }
@@ -1625,12 +1629,11 @@ function open(fs, context, path, flags, mode, callback) {
   */
   if (arguments.length == 5){
     callback = arguments[arguments.length - 1];
+    mode = 0o666;
   }
   else {
     //need to test this validateAndMakeMode
-    console.log('open\'d mode: ' + mode);
     mode = validateAndMaskMode(mode, FULL_READ_WRITE_EXEC_PERMISSIONS, callback);
-    console.log('mask\'d mode: ' + mode);
   }
     
   if(!pathCheck(path, callback)) return;
@@ -1656,7 +1659,7 @@ function open(fs, context, path, flags, mode, callback) {
     callback(new Errors.EINVAL('flags is not valid'), path);
   }
 
-  open_file(context, path, flags, check_result);
+  open_file(context, path, flags, mode, check_result);
 }
 
 function close(fs, context, fd, callback) {
diff --git a/tests/spec/fs.open.spec.js b/tests/spec/fs.open.spec.js
index 64caf0d..b995755 100644
--- a/tests/spec/fs.open.spec.js
+++ b/tests/spec/fs.open.spec.js
@@ -106,22 +106,6 @@ describe('fs.open', function() {
     });
   });
 
-  it('should create a new file when flagged for write, and set the mode', function(done) {
-    var fs = util.fs();
-
-    fs.open('/myfile', 'w', 644, function(error) {
-      if(error) throw error;
-      
-      fs.stat('/myfile', function(error, result) {
-        expect(error).not.to.exist;
-        expect(result).to.exist;
-        expect(result.type).to.equal('FILE');
-        expect(result.mode).to.exist;
-        expect(result.mode).to.equal(33188);
-        done();
-      });
-    });
-  });
   /**
    * This test is currently correct per our code, but incorrect according to the spec.
    * When we fix https://github.com/filerjs/filer/issues/314 we'll have to update this.